Thursday, September 22, 2022
Saturday, April 29, 2023
问题:填空题一般布袋除尘废气出口烟尘浓度国家要求标准为()。...
Sunday, January 29, 2023
问题:判断题检修电气设备,应至少2人一起作业。停电检修时,应严格执行挂牌制,悬挂“有人检修,严禁合闸”的警示牌A 对B 错...
Thursday, February 29, 2024
问题:判断题目前,我国安全生产管理的新格局是:政府统一领导、行业依法管理、企业全面负责、群众参与监督、全社会广泛支持A 对B 错...
Sunday, March 17, 2024
Thursday, September 22, 2022
Sunday, January 29, 2023
Sunday, March 17, 2024
问题:单选题高炉吹氧设备检修动火前,应认真检查氧气阀门,确保不泄漏,应用()置换A 蒸汽B 氮气C 氮气或空气D 干燥的氮气或无油的干燥空气...
Sunday, July 30, 2023
Wednesday, March 13, 2024
Monday, September 19, 2022
Thursday, March 7, 2024
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:单选题我国最新发布的特种劳动防护用品目录中列出了多少类特种劳动防护用品?()A 8B 7C 6D 5...
Thursday, March 7, 2024
Tuesday, September 20, 2022
Saturday, September 17, 2022
问题:单选题工作压力为5MPa的压力容器属于()A 高压容器B 中压容器C 中低压容器D 低压容器...
Saturday, January 20, 2024
问题:单选题空料线停炉,打水管的安装位置设在()。A 小料斗上面B 大料斗内C 炉喉取样孔...
Friday, June 2, 2023